Which Day is the Sabbath Day - Saturday or Sunday

Some denominations today believe that much of Christianity is observing the wrong day of the week as the Sabbath. They contend that Saturday is the seventh day of the week and should, according to Bible scripture, be observed as the true Sabbath [Ex 16:29-30; 20:8-11; Lev 23:1-3; Deut 5:12-15]. There are several flaws with this assertion:

1. The research of Samuel Walter Gamble, a Methodist minister, suggests that the original Hebrew calendar was not like our modern calendar. His findings published in a study called "Sunday, the True Sabbath of God" [reprinted in Kenneth E. Coombs, The True Sabbath - Saturday or Sunday], indicates that differences in the Hebrew calendar caused a one day shift in the Sabbath each year when compared to our modern calendars. He points out that the Hebrew calendar was composed of a system of fixed date Sabbaths each seventh day until the day of Pentecost [a high holy day]. At which point, a 48 hour Sabbath was celebrated. This double Sabbath effectively shifted the Sabbath one day each year when compared to our own calendar [See also Mormon Doctrine, p. 658, Doctrinal New Testament Commentary, 1:841; 440-441]
   
   
2. It appears that the Sabbath day was change by early Christians to the first day of the week to commemorate the resurrection of the Lord [Matt 28:1; Mark 16:2, 9; Luke 24:1; John 20:1, Acts 20:7; 1 Cor 16:2]. Note that the resurrection day is referred to in all Greek Testaments as "Sabbath" [sabbaton] and was translated in the King James Version as "the first day of the week" to avoid confusing the two Sabbaths. John thereafter referred to it as the Lord's day to differentiate it from the Jewish Sabbath [Rev 1:10]. Both Old and New Testament scripture foretold this change [Hos 2:11; Heb 4:7-9; 10:9] and early Christians affirmed it.
   
   Ignatius, in about 110 AD, said that Christians were "no longer keeping the Sabbath but . . . . the Lord's day on which our life also arose through him" [Letters of Ignatius, 2:9]. Barnabas [ca 75 to 130AD] declared, "this is why we spend the eight day in celebration, the day which Jesus both arose from the dead and . . . ascended into heaven" [Epistle of Barnabas, 15:8] justin Martyr [ca 140AD] also recorded that Christian services were held on Sunday "because Jesus Christ - our redeeming Savior - rose from the dead on the same day" [First Apology, pp. 65-67]
   
   If this is not enough proof that the Sabbath day was changed, we can add the testimonies of Bardaimsan [b 154AD; Irenaeus [ca 178 AD]; Clement of Alexandria [ca 194 AD]; Cyprian [200-258 AD]; Origen [201 AD] and author of the Didache [80-120 AD]. Each of these men affirmed that early Christians observed the "Lord's day" on the first day of the week rather than the Jewish Sabbath [see also LDS Bible Dictionary pp. 725, 765; LeGrand Richards, A Marvelous Work and a Wonder pp. 342-50]
   
3. The Latter-day Saints keep the Sunday Sabbath because the Lord so commanded them by direct revelation [D&C 59:9-13- Note: this revelation was given on Sunday; see also James E. Talmage, Articles of Faith, pp 451-52; Joseph Fielding Smith, Answers to Gospel Questions, 2:58-63].
   
4. Paul taught that we should let no man judge us with respect to observance of Sabbath days [Col 2:16].

The above demonstrates two things relative to revelation: first, not all revelations given to the early Church were recorded in the Bible; and second, without modern revelation, men can err in interpreting scripture and God's will today.